#ifndef CALCULATOR_H
#define CALCULATOR_H

#include <QMainWindow>

namespace Ui {
class calculator;
}

class calculator : public QMainWindow
{
    Q_OBJECT

public:
    explicit calculator(QWidget *parent = nullptr);
    ~calculator();

private slots:
    void on_pushButton_clicked();

    void on_pushButton_2_clicked();

    void on_lineEdit_3_cursorPositionChanged(int arg1, int arg2);

private:
    Ui::calculator *ui;
};

#endif // CALCULATOR_H
